Season 1 BBC One , 2002 Season 2 BBC One , 2003 Season 3 BBC One , 2003 - 2004 Season 4 BBC One , 2004 - 2005 Season 5 BBC One , 2005 Season 6 BBC One , 2005 Season 7 BBC One , 2006 Season 8 BBC One , 2006 Season 9 BBC One , 2006 Season 10 BBC One , 2007 Season 11 BBC One , 2007 Season 12 BBC One , 2007 Season 13 BBC One , 2008 Season 14 BBC One , 2008 Season 15 BBC One , 2008 - 2009 Season 16 BBC One , 2010 Season 17 BBC One , 2010 Season 18 BBC One , 2011 - 2012
, 2002